﻿using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using DataAcessLayer;
using QuanLyShop.DTO;
using System.Data.Common;

namespace QuanLyShop.DAO
{
   public class HoaDonBanHangDAO
    {
        #region 1. Load danh sách Hóa đơn bán hàng
        public  DataTable LayDanhSachHoaDonBanHang()
        {
            DataTable dt = null;
            try
            {
                DataProvider dp = new DataProvider();
                string sql = "select * from HOA_DON_BAN_HANG ht where ht.TINHTRANG = 0";
                DbCommand command = dp.CreateCommand();
                command.CommandType = CommandType.Text;
                command.CommandText = sql;
                dt = dp.ExecuteSelectCommand(command);
            }
            catch (Exception e)
            {

                throw new Exception("Lỗi rồi" + e.ToString());
            }
            return dt;

        }
        #endregion

        #region 2. Thêm Hóa Đơn Bán Hàng

        public int ThemHoaDonBanHang(HoaDonBanHangDTO hd)
        {
            int kq = 0;
            try
            {

                DataProvider dp = new DataProvider();
                String sql = "insert into HOA_DON_BAN_HANG(ID_HOADONBAN,TENKHACHHANG,DIACHI,DIENTHOAI,NGAYBAN,TONGTIEN, TINHTRANG) values ('"+hd.ID_HoaDonBanHang+"','" + hd.TenKhachHang + "','" + hd.DiaChi + "','" + hd.DienThoai+ "','" + hd.NgayBan + "'," + hd.TongTien + "," + hd.TinhTrang+"')";
                DbCommand command = dp.CreateCommand();
                command.CommandType = CommandType.Text;
                command.CommandText = sql;
                dp.ExecuteNonQueryCommand(command);
                kq = 1;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
            return kq;

        }
        #endregion


        #region 3. Cập nhật Hóa Đơn Bán Hàng

        public int CapNhatHoaDonBanHang(HoaDonBanHangDTO hd)
        {
            int kq = 0;
            try
            {

                DataProvider dp = new DataProvider();
                String sql = "update HOA_DON_BAN_HANG set TENKHACHHANG='" + hd.TenKhachHang + "',DIACHI='" + hd.DiaChi + "',DIENTHOAI='" + hd.DienThoai + "',NGAYBAN='" + hd.NgayBan + "',TONGTIEN=" + hd.TongTien + ", TINHTRANG=" + hd.TinhTrang + " where ID_HOADONBAN='" + hd.ID_HoaDonBanHang+"'";
                DbCommand command = dp.CreateCommand();
                command.CommandType = CommandType.Text;
                command.CommandText = sql;
                dp.ExecuteNonQueryCommand(command);
                kq = 1;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
            return kq;

        }
        #endregion

        #region 4. Mã tăng tự động

        public DataTable Lay()
        {

            DataTable dt = null;
            try
            {
                DataProvider dp = new DataProvider();
                string sql = "select ID_HOADONBAN from HOA_DON_BAN_HANG";
                DbCommand command = dp.CreateCommand();
                command.CommandType = CommandType.Text;
                command.CommandText = sql;
                dt = dp.ExecuteSelectCommand(command);

            }
            catch (Exception e)
            {

                throw new Exception("Lỗi rồi" + e.ToString());
            }
            return dt;
        }
        public string MaTangTuDong()
        {
            string str = "";
            DataTable dt = Lay();
            PhatSinhMaTangTuDong l = new PhatSinhMaTangTuDong();
            string a = dt.Rows[dt.Rows.Count - 1].ItemArray[0].ToString();
            string b = a.Substring(0, 6);
            string c = l.LayChuoiNgayThangNam();
            if (b.Equals(c))
            {
                string p = a.Substring(6);
                int so = int.Parse(p);
                so = so + 1;
                if (so < 10)
                {
                    str = "000" + so;

                }
                else if (so < 100)
                {
                    str = "00" + so;

                }
                else if (so < 1000)
                {
                    str = "0" + so;
                }
                str = c + str;
            }
            else
            {
                str = c + "0001";
            }

            return str;
        }
        #endregion
    }


}
